Home / 85,159.48-127,626.02-45,170.22

Finding the Fourth Proportional to 85,159.48, 127,626.02 and 45,170.22

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Solution

The fourth proportional to 85,159.48, 127,626.02 and 45,170.22 is: 67,695.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,159.48 : 127,626.02 = 45,170.22 : x
  2. Step 2: Convert to fraction form
    85,159.48/127,626.02 = 45,170.22/x
  3. Step 3: Cross multiply
    85,159.48x = 127,626.02 × 45,170.22
  4. Step 4: Simplify right side
    85,159.48x = 5,764,895,401.12
  5. Step 5: Solve for x
    x = 5,764,895,401.12/85,159.48
  6. Step 6: Final answer
    x = 67,695.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.